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MediHelp Référence médicamenteuse

Interactions médicamenteuses

Sepiapterin + Sildenafil

Gravité: Modérée

Sepiapterin and Sildenafil: moderate interaction.

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Résumé

Sepiapterin increases BH4, which supports nitric oxide synthase activity and may enhance vasodilation. Combined with sildenafil, which prolongs cGMP signalling, this may cause additive blood pressure lowering and symptomatic hypotension.

Ce que signifie cette interaction, en termes simples

Sepiapterin and Sildenafil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Sepiapterin belongs to Miscellaneous; Sildenafil belongs to Genitourinary.

Niveau de preuve: Low

Pourquoi elle survient

Additive vasodilation through enhanced nitric oxide synthesis (BH4 cofactor) and PDE5 inhibition.

Conduite à tenir

Monitor blood pressure and symptoms of hypotension such as dizziness or syncope when starting or adjusting either drug. Counsel patients to report lightheadedness.

Questions à poser à votre pharmacien

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Questions fréquentes

Can I take Sepiapterin with Sildenafil?

MediHelp rates the interaction as moderate. Sepiapterin and Sildenafil can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Sepiapterin increases BH4, which supports nitric oxide synthase activity and may enhance vasodilation. Combined with sildenafil, which prolongs cGMP signalling, this may cause additive blood pressure lowering and symptomatic hypotension.

How serious is the interaction between Sepiapterin and Sildenafil?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and symptoms of hypotension such as dizziness or syncope when starting or adjusting either drug. Counsel patients to report lightheadedness.

What other medicines interact with Sepiapterin?

MediHelp also lists interactions of Sepiapterin with, for example, Methotrexate, Pemetrexed, Sulphasalazine. The full list is on the Sepiapterin page.

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